Find the sample variance and standard deviation. 18, 14, 5, 10, 11 D Choose the correct answer below. Fill in the answer box to complete your choice. (Type an integer or a decimal. Round to one decimal place as needed.) O A. 2: %3D O B. = %3D Choose the correct answer below. Fill in the answer box to complete your choice. (Round to one decimal place as needed.) O A. O B.
Inverse Normal Distribution
The method used for finding the corresponding z-critical value in a normal distribution using the known probability is said to be an inverse normal distribution. The inverse normal distribution is a continuous probability distribution with a family of two parameters.
Mean, Median, Mode
It is a descriptive summary of a data set. It can be defined by using some of the measures. The central tendencies do not provide information regarding individual data from the dataset. However, they give a summary of the data set. The central tendency or measure of central tendency is a central or typical value for a probability distribution.
Z-Scores
A z-score is a unit of measurement used in statistics to describe the position of a raw score in terms of its distance from the mean, measured with reference to standard deviation from the mean. Z-scores are useful in statistics because they allow comparison between two scores that belong to different normal distributions.
Given:
n = 5
Formula Used:
Population variance =
Sample variance S2 =
Population standard deviation =
Sample standard deviation S =
Where,
is the mean =
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